import { Color } from "three";
//#region src/color/conversions.d.ts
/** OKLAB color: L (0..1 lightness), a (~-0.5..0.5 green-red), b (~-0.5..0.5 blue-yellow) */
interface Oklab {
  L: number;
  a: number;
  b: number;
}
/** OKLCH color: L (0..1 lightness), C (0..~0.37 chroma), h (0..360 hue degrees) */
interface Oklch {
  L: number;
  C: number;
  h: number;
}
/** Decode a gamma-encoded sRGB component (e.g. from CSS/hex) to linear. */
declare function srgbToLinear(c: number): number;
/** Encode a linear component to gamma-encoded sRGB (e.g. for CSS/hex output). */
declare function linearToSrgb(c: number): number;
/** Convert linear sRGB to OKLAB using Ottosson matrices. */
declare function linearRgbToOklab(r: number, g: number, b: number): Oklab;
/** Convert OKLAB to linear sRGB using inverse Ottosson matrices. */
declare function oklabToLinearRgb(L: number, a: number, b: number): {
  r: number;
  g: number;
  b: number;
};
/** Convert OKLAB (cartesian) to OKLCH (polar). Hue in degrees 0..360. */
declare function oklabToOklch(L: number, a: number, b: number): Oklch;
/** Convert OKLCH (polar) to OKLAB (cartesian). Hue in degrees. */
declare function oklchToOklab(L: number, C: number, h: number): Oklab;
/** Convert a Three.js Color to OKLAB. Components are working-space linear (the three.js default). */
declare function colorToOklab(color: Color): Oklab;
/** Convert a Three.js Color to OKLCH. Components are working-space linear (the three.js default). */
declare function colorToOklch(color: Color): Oklch;
/**
 * Convert OKLAB to a Three.js Color. Clamps to 0..1.
 * Writes working-space linear components via setRGB (no colorSpace arg), matching the three.js default.
 */
declare function oklabToColor(L: number, a: number, b: number, target?: Color): Color;
/** Convert OKLCH to a Three.js Color. Hue in degrees. Clamps to 0..1. */
declare function oklchToColor(L: number, C: number, h: number, target?: Color): Color;
//#endregion
export { Oklab, Oklch, colorToOklab, colorToOklch, linearRgbToOklab, linearToSrgb, oklabToColor, oklabToLinearRgb, oklabToOklch, oklchToColor, oklchToOklab, srgbToLinear };
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